antinociception

Medical Definition of antinociception

: the action or process of blocking the detection of a painful or injurious stimulus by sensory neurons
Compared with systemic narcotic analgesia, intraspinal narcotic antinociception has a longer duration.— Dennis W. Coombs, The Journal of the American Medical Association, 4 Nov. 1983

Other Words from antinociception

antinociceptive\-​ˌnō-​si-​ˈsep-​tiv \adjective

… the antinociceptive action of morphine and endogenous opiates apparently proceeds by opening of the same class of neuronal potassium channels blocked by apamin. — David Gurwitz, The Lancet, 23 Jan. 1999